The minimum orbital period in thermal time-scale mass transfer |
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| Authors: | A R King K Schenker U Kolb M B Davies |
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| Institution: | Department of Physics &Astronomy, University of Leicester, Leicester LE1 7RH;Department of Physics &Astronomy, The Open University, Walton Hall, Milton Keynes MK7 6AA |
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| Abstract: | We show that the usual picture of supersoft X-ray binary evolution as driven by conservative thermal time-scale mass transfer cannot explain the short orbital periods of RX J0537.7–7034 (3.5 h) and 1E 0035.4–7230 (4.1 h). Non-conservative evolution may produce such periods, but requires very significant mass loss, and is highly constrained. |
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| Keywords: | binaries: close stars: evolution stars: individual: 1E 0035 4–7230 stars: individual: RX J0537 7–7034 X-rays: stars |
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